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Secunia Research 17/04/2009
- CUPS pdftops JBIG2 Symbol Dictionary Buffer Overflow -
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Table of Contents
Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10
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1) Affected Software
* CUPS 1.3.9
NOTE: Prior versions may also be affected.
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2) Severity
Rating: Moderately critical
Impact: System access
Where: Local network
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3) Vendor's Description of Software
"CUPS is the standards-based, open source printing system developed by
Apple Inc. for Mac OS® X and other UNIX®-like operating systems."
Product Link:
http://www.cups.org/
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4) Description of Vulnerability
Secunia Research has discovered a vulnerability in CUPS, which can be
exploited by malicious people to potentially compromise a vulnerable
system.
The vulnerability is caused due to a boundary error in pdftops while
decoding JBIG2 symbol dictionary segments. This can be exploited to
cause a heap-based buffer overflow via a specially crafted PDF file.
Successful exploitation may allow execution of arbitrary code.
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5) Solution
Update to version 1.3.10.
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6) Time Table
26/03/2009 - Vendor notified.
26/03/2009 - vendor-sec notified.
17/04/2009 - Public disclosure.
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7) Credits
Discovered by Alin Rad Pop, Secunia Research.
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8) References
The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2009-0195 for the vulnerability.
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9) About Secunia
Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:
http://secunia.com/advisories/business_solutions/
Secunia also provides a publicly accessible and comprehensive advisory
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http://secunia.com/advisories/
Secunia believes that it is important to support the community and to
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security and reliability of software in general:
http://secunia.com/secunia_research/
Secunia regularly hires new skilled team members. Check the URL below
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Secunia offers a FREE mailing list called Secunia Security Advisories:
http://secunia.com/advisories/mailing_lists/
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10) Verification
Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2009-18/
Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/
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